AMC 10 2025 Part B Problem 17

Consider a decreasing sequence of n positive integers x_1>x_2>\cdots>x_n that satisfies the following conditions:

  • The average of the first 3 terms in the sequence is 2025.
  • For all 4\le k\le n, the average of the first k terms is 1 less than the average of the first k-1 terms.

What is the greatest possible value of n?

Answer Choices:

A. 1013

B. 1014

C. 1016

D. 2016

E. 2025